Pith Number

pith:JMPK5O4T

pith:2019:JMPK5O4TPO4KEYMR6OEGS5WB7X

not attested not anchored not stored refs pending

Variable Stars in Young Open Cluster NGC 2244

Gabriela Michalska

arxiv:1905.12557 v1 · 2019-05-29 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMPK5O4TPO4KEYMR6OEGS5WB7X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:43:34.095146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b1eaebb937bb8a26191f3886976c1fdcf0acd69cd446ae28023605697b580a1

Aliases

arxiv: 1905.12557 · arxiv_version: 1905.12557v1 · doi: 10.48550/arxiv.1905.12557 · pith_short_12: JMPK5O4TPO4K · pith_short_16: JMPK5O4TPO4KEYMR · pith_short_8: JMPK5O4T

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JMPK5O4TPO4KEYMR6OEGS5WB7X \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4b1eaebb937bb8a26191f3886976c1fdcf0acd69cd446ae28023605697b580a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59fc48e6b075d6bb3829a2287e60de20d8e095c5b0967fbad5bb1e66c3d1e0a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-29T16:10:25Z",
    "title_canon_sha256": "7e34633a2fbad6e7ddbbfdcd9295a63b13b4f27c06a474e3747e057996211cc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12557",
    "kind": "arxiv",
    "version": 1
  }
}